<template>
    <div class="shopcar-container">
        <div class="goods-list">
            <!-- 商品列表项区域 -->
            <div class="mui-card" v-for="(item, i) in goodslist" :key="item.id">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						
                        <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
                        @change="selectedChanged(item.id, $store.getters.getGoodsSelected[item.id])"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{ item.title }}</h1>
                            <p>
                                <span class="price">￥{{ item.sell_price }}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                            </p>
                        </div>
                        

					</div>
				</div>
			</div>
        </div>

        <!-- 结算区域 -->
        <div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner jiesuan" >
					<div class="left">
                        <p>总计（不含运费）</p>
                        <p>已勾选商品 <span class="red">{{ $store.getters.getGoodsCountAndAmount.count }}</span> 件，总价 <span class="red">￥{{ $store.getters.getGoodsCountAndAmount.amount }}</span></p>
                    </div>
                     <mt-button type=danger>去结算</mt-button>
				</div>
               
			</div>
		</div>


    </div>
</template>

<script>
import numbox from "../subcomponents/shopcar_numbox.vue"

export default {
    data() {
        return {
            goodslist: [] // 购物车中所有商品的数据
        }
    },
    created() {
        this.getGoodsList();
    },
    methods: {
        getGoodsList() {
            // 1. 获取到 store 中所有的商品的 Id ，然后拼接出一个 用逗号分隔的字符串
            var idArr = [];
            this.$store.state.car.forEach(item => idArr.push(item.id));
            // 如果购物车中没有商品，则直接返回，不需要请求数据接口，否则会报错
            if(idArr.length<=0) {
                return;
            }
            // 获取购物车商品列表 
            this.$http.get("api/goods/getshopcarlist/" + idArr.join(","))
            .then(result => {
                if(result.body.status === 0) {
                    this.goodslist = result.body.message;
                }
            });
        },
        remove(id, index) {
            this.goodslist.slice(index, 1);
            this.$store.commit('removeFormCar', id);
        },
        selectedChanged(id, val) {
            // 每当点击开头，把最新的 开关状态同步到 store中
            this.$store.commit("updateGoodsSelected", {id, selected: val});
        }
    },
    components: {
        numbox
    }
}
</script>


<style lang="scss" scoped>
.shopcar-container {
    background-color: #eee;
    overflow: hidden;
    .goods-list {
        .mui-card-content-inner {
            display: flex;
            align-items: center;
        }
        img {
            width: 60px;
            height: 60px;
        }
        h1 {
            font-size: 13px;
        }
        .info {
            display: flex;
            flex-direction: column;
            .price {
                color: red;
                font-weight: bold;
            }
        }
    }
    .jiesuan {
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red {
            color: red;
            font-weight: bold;
            font-size: 16px;
        }
    }
}
</style>
